Environment crossword

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Across
  1. 1. To keep nature and animals safe from danger.
  2. 4. Energy that comes from the sun.
  3. 5. Don't ________ water! Turn off the tap when you brush your teeth.
  4. 6. The natural world around us where people, animals, and plants live.
  5. 9. To make the air, water, or soil dirty.
  6. 12. Using ________ transport (like buses or trains) reduces pollution.
  7. 13. Harmful materials from factories that pollute rivers and air.
  8. 14. To make something smaller or less in amount, like plastic use.
  9. 16. To keep and use less of something, like energy or money.
  10. 18. Things we throw away; another word for trash or garbage.
  11. 19. The clean air that trees produce, which humans need to breathe.
Down
  1. 2. When a type of animal dies out completely and no longer exists.
  2. 3. A large area of land covered with many trees.
  3. 5. Moving air, often used to create clean energy.
  4. 7. To process old materials (like paper, plastic, or glass) to use them again.
  5. 8. "_________ warming" is the dangerous increase in the Earth's temperature.
  6. 10. To use something again instead of throwing it away.
  7. 11. We should ________ more trees to produce more clean air.
  8. 15. To harm or break something, like destroying the environment.
  9. 17. Electricity or power. Green ________ comes from water, wind, or sun.